Sociedade Brasileira de Geofísica
The Sociedade Brasileira de Geofísica (SBGf) is Brazil's national scientific and technical society for geophysicists. It was founded in 1978 and held its first congress in 1989 and every other year since then. Its aim is the development of geophysics in Brazil and is closely involved with the Brazilian oil and gas industry.
- http://sys2.sbgf.org.br/portal/index.php?option=com_content&view=article&id=22&Itemid=34 A Sociedade Brasileira de Geofísica: A História da Sociedade (Accessed March 2011)
- http://www.scielo.br/scielo.php?script=sci_serial&pid=0102-261X&lng=en&nrm=iso Revista Brasileira de Geofísica (Accessed March 2011)